Graco TI3840a Flush Gun, Clean Outside of Gun, Clean Air Cap, Clean Muffler, Clean Fluid Manifold

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Maintenance

Flush Gun

If it is necessary to flush gun, use following procedure.

WARNING

Read warnings, page 10.

1. Follow Pressure Relief Procedure, page 18.

2. Flush with a compatible solvent.

3. Flush into a grounded metal pail, holding a metal

part of fluid manifold firmly to side of pail. Use the lowest possible fluid pressure when flushing.

4. Follow Pressure Relief Procedure, page 18.

Flush Manifold 15B817 is included with gun. Install in place of fluid manifold and connect sol- vent line to flush gun.

Solvent Flush Kits 248139 and 248229 are avail- able as accessories. See page 53.

Clean Outside of Gun

Wipe off outside of gun with compatible solvent.

CAUTION

Use N Methyl Pyrrolidone (NMP), Dynasolve CU-6, Dzolv, or equivalent to soften cured material when cleaning the outside of gun. Do not use as flushing solvents.

Clean Air Cap

Soak air cap in compatible solvent. If necessary, clean gently with stiff brush.

Clean Muffler

A partially plugged muffler will slow gun actuation. Remove and clean muffler with compatible solvent.

Clean Fluid Manifold

Clean fluid manifold sealing faces with compatible sol- vent and a brush whenever removed from gun. Be sure to clean the two fluid ports (X) in the top mating surface. Do not damage the flat sealing surfaces. Cover with Fusion Lubricant (page 53) if left exposed, to seal out moisture.

X

TI2411-1

22

309856U

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Contents Important Safety Instructions Plural Component, Impingement Mix Mechanical Purge Spray GunContents Manual Conventions Standard Round Pattern Guns List of Models/Selection GuidePressure in psi MPa, bar Standard Flat Pattern Guns 247291, aDirect Impingement Round Pattern Guns Flow Rate in gpm lpmDirect Impingement Flat Pattern Guns Four-Hose Gun Personal Protective Equipment Fire and Explosion Hazard Overall View KeyKeep a and B Components Separate Piston Safety LockIsocyanate Hazard GroundingSetup ISODisengage piston safety lock, Adjust Purge Rod 1/4 TurnAdjust Flat CeramTip Daily Shutdown Follow Pressure Relief Procedure,Shutdown Shutdown for More than a DayPressure Relief Procedure Optional Configurations Optional Fluid Manifold PositionFluid Hoses Follow Pressure Relief Procedure, page 18. AlsoOptional Hose Position Air HoseMaintenance Clean Muffler Clean Outside of GunClean Air Cap Clean Fluid ManifoldClean Slip-Fit Polycarballoy Mix Module Cleaning Component a ISO PortsImpingement Port Cleanout Drill Sizes XF1313 #81 Cleanout Drill Sizes for Round CeramTips Clean CeramTipExternal Quick Cleaning Method Round CeramTipAdjust Purge Rod, Clean Purge RodStuck Purge Rod Reassemble Front End, Adjust Purge Rod, Adjust Front Rod SealDisassemble Front End, Adjust Rear Rod Seal Troubleshooting See Clean Purge Rod,Adjust Rear Rod Seal, Gun Triggered Fluid Spraying Theory of OperationGun Detriggered Mechanical Purging Cutaway View Lubrication RepairTools Required Replace CeramTipDisassemble Front End Reassemble Front End Adjust Purge Rod, Slip-Fit Polycarballoy Mix Module Attach fluid manifold. Return gun to service Rear Rod Seal Check Valves Piston and Purge Rod Install piston safety lock assembly until bottomed out Piston Safety Lock Air Valve309856U Parts Flush Manifold DetailPart No. Description Qty HandleStandard Round Pattern Guns Slip-Fit Polycarballoy Mix Module KitsSlip-Fit Polycarballoy Mix Module Part Numbering Code Standard Flat Pattern GunsDirect Impingement Round Pattern Guns Direct Impingement Flat Pattern GunsFlat CeramTip Part Numbering Code CeramTip KitsRound CeramTip Part Numbering Code Flat CeramTipsDrill Bit Kits Kit Part No Qty in Kit Drill Bit Size Illustration NominalGun Repair Kits Check Valve Filter Screen Kits 10 per kitAccessories Hose Adapter Kits Solvent Flush Pail KitPour Nozzle Kit Technical Data Category DataGraco Information Graco Standard WarrantyToll Free